Tom Filer was a professional baseball player who played as a pitcher for various teams during his career. He was born on December 15, 1955, in Philadelphia, Pennsylvania, and attended William Penn Charter School. Filer was drafted by the Philadelphia Phillies in the 1974 Major League Baseball draft, but he did not sign with the team. Instead, he attended the University of La Verne in California, where he played college baseball.

Filer was eventually signed by the Milwaukee Brewers in 1978 and made his Major League debut with the team in 1982. He played for the Brewers for two seasons before being traded to the Philadelphia Phillies in 1984. Filer played for the Phillies for three seasons and was a member of the team that won the National League pennant in 1983. He then played for the Toronto Blue Jays in 1987 and the Pittsburgh Pirates in 1988 before returning to the Phillies for his final season in 1992.

Throughout his career, Filer was primarily used as a relief pitcher. He had a career record of 47 wins and 45 losses with an earned run average (ERA) of 3.55. Filer was known for his control on the mound, as he only walked 2.2 batters per nine innings pitched during his career. He also had a reputation for being a hard worker and a good teammate.

After retiring from baseball, Filer worked as a pitching coach for various minor league teams. He also worked as a scout for the San Francisco Giants and the Los Angeles Dodgers. In 2012, Filer was inducted into the University of La Verne Athletic Hall of Fame.

Overall, Tom Filer had a successful career as a professional baseball player. He played for several teams and was a valuable member of each one. Filer's control on the mound and his reputation as a hard worker and good teammate made him a respected player in the league.